PHP開發即時聊天系統的相關技術與框架介紹

require 'vendor/autoload.php';

use RatchetMessageComponentInterface;
use RatchetConnectionInterface;
use RatchetServerIoServer;
use RatchetHttpHttpServer;
use RatchetWebSocketWsServer;

class Chat implements MessageComponentInterface
{
    protected $clients;

    public function __construct()
    {
        $this->clients = new SplObjectStorage;
    }

    public function onOpen(ConnectionInterface $conn)
    {
        $this->clients->attach($conn);
        echo "New connection! ({$conn->resourceId})
";
    }

    public function onMessage(ConnectionInterface $from, $msg)
    {
        foreach ($this->clients as $client) {
            $client->send($msg);
        }
    }

    public function onClose(ConnectionInterface $conn)
    {
        $this->clients->detach($conn);
        echo "Connection {$conn->resourceId} has disconnected
";
    }

    public function onError(ConnectionInterface $conn, Exception $e)
    {
        echo "An error has occurred: {$e->getMessage()}
";

        $conn->close();
    }
}

$server = IoServer::factory(
    new HttpServer(
        new WsServer(
            new Chat()
        )
    ),
    8080
);

$server->run();

$server = new SwooleWebSocketServer("127.0.0.1", 8080);

$server->on('open', function (SwooleWebSocketServer $server, $request) {
    echo "new connection
";
});

$server->on('message', function (SwooleWebSocketServer $server, $frame) {
    foreach ($server->connections as $fd) {
        $server->push($fd, $frame->data);
    }
});

$server->on('close', function ($ser, $fd) {
    echo "connection close
";
});

$server->start();